SC28L202 Datasheet, PDF (71/77 Pages) NXP Semiconductors – Dual universal asynchronous receiver/transmitter DUART

Philips Semiconductors
Dual UART
Objective specification
SC28L202
TxC
(INPUT)
TxD
TxC
(1X OUTPUT)
1 BIT TIME
(1 OR 16 CLOCKS)
t_TXD
t_TCS
Figure 10. Transmitter External Clocks
SD00138
RxC
(1X INPUT)
RxD
t_RXS
t_RXH
Figure 11. Receiver External Clock
SD00139
TxD
D1
TRANSMITTER
ENABLED
TxRDY
(SR2)
WRN
D1
D8
CTSN¹
(IP0)
RTSN²
(OP0)
OPR(0) = 1
NOTES:
1. Timing shown for MR2(4) = 1.
2. Timing shown for MR2(5) = 1.
D2
D3
BREAK
D4
D6
D9 START
BREAK
D10 STOP
D11 WILL
D12
BREAK
NOT BE
WRITTEN TO
THE TxFIFO
Figure 12. Transmitter Timing
OPR(0) = 1
SD00155
2000 Feb 10
65